EP3058198A4 - Nose cone with an aft support ring for radial attachment - Google Patents

Nose cone with an aft support ring for radial attachment Download PDF

Info

Publication number
EP3058198A4
EP3058198A4 EP14853438.1A EP14853438A EP3058198A4 EP 3058198 A4 EP3058198 A4 EP 3058198A4 EP 14853438 A EP14853438 A EP 14853438A EP 3058198 A4 EP3058198 A4 EP 3058198A4
Authority
EP
European Patent Office
Prior art keywords
support ring
nose cone
aft support
radial attachment
radial
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14853438.1A
Other languages
German (de)
French (fr)
Other versions
EP3058198B1 (en
EP3058198A1 (en
Inventor
Colin J. KLING
Steven Clarkson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of EP3058198A1 publication Critical patent/EP3058198A1/en
Publication of EP3058198A4 publication Critical patent/EP3058198A4/en
Application granted granted Critical
Publication of EP3058198B1 publication Critical patent/EP3058198B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/02—Hub construction
    • B64C11/14—Spinners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
    • F01D5/066—Connecting means for joining rotor-discs or rotor-elements together, e.g. by a central bolt, by clamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/31—Retaining bolts or nuts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/37—Retaining components in desired mutual position by a press fit connection

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP14853438.1A 2013-10-14 2014-05-23 Nose cone with an aft support ring for radial attachment Active EP3058198B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361890637P 2013-10-14 2013-10-14
PCT/US2014/039311 WO2015057271A1 (en) 2013-10-14 2014-05-23 Nose cone with an aft support ring for radial attachment

Publications (3)

Publication Number Publication Date
EP3058198A1 EP3058198A1 (en) 2016-08-24
EP3058198A4 true EP3058198A4 (en) 2017-05-24
EP3058198B1 EP3058198B1 (en) 2019-04-03

Family

ID=52828533

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14853438.1A Active EP3058198B1 (en) 2013-10-14 2014-05-23 Nose cone with an aft support ring for radial attachment

Country Status (3)

Country Link
US (1) US10208667B2 (en)
EP (1) EP3058198B1 (en)
WO (1) WO2015057271A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9879698B2 (en) * 2015-10-26 2018-01-30 Rolls-Royce North American Technologies Inc. Nose cone and shaft balancing assembly
US11143103B2 (en) * 2019-04-10 2021-10-12 Rolls-Royce Corporation Nose cone and fan assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004018585A1 (en) * 2004-04-16 2005-12-01 Rolls-Royce Deutschland Ltd & Co Kg Gas turbine engine inlet cone, has upper surface whose structure varies in axial direction such that surface applies force on inflowing particles, relative to rotation axis, so that particles are conducted radially outwards along trajectory
DE102005013421A1 (en) * 2005-03-21 2006-09-28 Rolls-Royce Deutschland Ltd & Co Kg Intake cone for turbofan gas turbine engine, has attachment portion having axial contact surface abutted to one of guard rings as such that diagonal bolt hole can be bored into both guard ring and contact surface
EP2458146A1 (en) * 2010-11-30 2012-05-30 Rolls-Royce plc Nose cone assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9828812D0 (en) * 1998-12-29 1999-02-17 Rolls Royce Plc Gas turbine nose cone assembly
JP2005105999A (en) * 2003-10-01 2005-04-21 Ishikawajima Harima Heavy Ind Co Ltd Nose cone mounting structure of gas turbine
US7303377B2 (en) 2004-04-14 2007-12-04 Pratt & Whitney Canada Corp. Apparatus and method of balancing a shaft
GB0803366D0 (en) 2008-02-26 2008-04-02 Rolls Royce Plc Nose cone assembly
GB0903012D0 (en) * 2009-02-24 2009-04-08 Rolls Royce Plc Mounting arrangement

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004018585A1 (en) * 2004-04-16 2005-12-01 Rolls-Royce Deutschland Ltd & Co Kg Gas turbine engine inlet cone, has upper surface whose structure varies in axial direction such that surface applies force on inflowing particles, relative to rotation axis, so that particles are conducted radially outwards along trajectory
DE102005013421A1 (en) * 2005-03-21 2006-09-28 Rolls-Royce Deutschland Ltd & Co Kg Intake cone for turbofan gas turbine engine, has attachment portion having axial contact surface abutted to one of guard rings as such that diagonal bolt hole can be bored into both guard ring and contact surface
EP2458146A1 (en) * 2010-11-30 2012-05-30 Rolls-Royce plc Nose cone assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015057271A1 *

Also Published As

Publication number Publication date
US20160237897A1 (en) 2016-08-18
EP3058198B1 (en) 2019-04-03
US10208667B2 (en) 2019-02-19
EP3058198A1 (en) 2016-08-24
WO2015057271A1 (en) 2015-04-23

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